[time-nuts] new WWVB BPSK dev board
Attila Kinali
attila at kinali.ch
Wed Dec 5 14:47:00 UTC 2018
On Wed, 5 Dec 2018 06:29:01 -0800
"Richard (Rick) Karlquist" <richard at karlquist.com> wrote:
> Interesting: isn't 162 kHz within the European
> Long Wave Broadcast Band? Wouldn't there be a
> problem with QRM from these megawatt stations?
> Excuse the naive questions; we don't have longwave
> in the states, so no experience here.
Indeed it is. Allouis is a former LW band radio station,
which the French used as time signal station as well[1].
But that also means that it is a much stronger transmitter
than e.g. DCF77 (2MW vs 50kW if wikipedia is correct)
Attila Kinali
[1] https://en.wikipedia.org/wiki/Allouis_longwave_transmitter
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